National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mid Valley Airport (KTXW)

Lat: 26.18°NLon: 97.97°WElev: 70ft.

Fair

80°F

27°C

Humidity 80%
Wind Speed SE 6 mph
Barometer 29.92 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Jun 8:35 pm CDT
Extended Forecast for

Mercedes TX

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. High near 85. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 85 °F

    Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 74. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 75. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 91. Southeast wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 91 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 77. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 93. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 93 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 77. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 75. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. High near 85. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 74. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 75. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 91. Southeast wind 5 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 77. South southeast wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 93. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 77. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Independence Day
Mostly sunny, with a high near 95. South southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 77. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercedes TX
 26.16°N 97.93°W
Last Update:
8:45 pm CDT Jun 29, 2025
Forecast Valid:
8pm CDT Jun 29, 2025-6pm CDT Jul 6, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation